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Last Updated: March 26, 2026

Drugs in MeSH Category Steroid Synthesis Inhibitors


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Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Teva Pharms Usa ABIRATERONE ACETATE abiraterone acetate TABLET;ORAL 210726-001 Jan 26, 2023 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Qilu ABIRATERONE ACETATE abiraterone acetate TABLET;ORAL 212462-002 Jun 25, 2021 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Glenmark Speclt ABIRATERONE ACETATE abiraterone acetate TABLET;ORAL 209227-002 May 19, 2022 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Amneal Pharms ABIRATERONE ACETATE abiraterone acetate TABLET;ORAL 208327-001 Jan 7, 2019 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Market Dynamics and Patent Landscape for Drugs in NLM MeSH Class: Steroid Synthesis Inhibitors

Last updated: December 17, 2025

Executive Summary

The steroid synthesis inhibitors landscape encompasses a concerted effort to develop agents that modulate steroid biosynthesis, primarily targeting hormone-related diseases such as prostate and breast cancers, endometriosis, and certain endocrine disorders. Driven by advances in molecular biology, rising prevalence of hormone-dependent cancers, and personalized medicine, this sector exhibits robust growth potential. Concurrently, the patent environment has become increasingly complex, featuring strategic patent filings for novel inhibitors, combination therapies, and biomarkers, with a notable emphasis on selectivity, safety, and resistance management. This article provides a comprehensive overview of the market dynamics and the patent landscape for steroid synthesis inhibitors, combining quantitative data, emerging trends, and strategic insights.


Market Overview

Global Market Size and Growth Trajectory

Parameter 2022 Estimate Projection (2028) CAGR (2023–2028) Source
Market Value $2.8 billion $4.5 billion 8.1% Allied Market Research[1]
Major Segments Oncology, Endocrinology Oncology dominant
Key Regions North America (40.2%), Europe (25%), APAC (20%)

Notes:

  • The increasing incidence of hormone-dependent cancers, especially prostate and breast cancers, drives demand.
  • Growing adoption of personalized therapy approaches and combination treatment strategies bolster market growth.
  • The Asia-Pacific region is emerging as a significant growth area due to expanding healthcare infrastructure.

Key Market Drivers

  • Incidence of Hormone-Related Diseases: Prostate cancer affects over 1.4 million men worldwide (globally, 2020 data), fueling demand for androgen synthesis inhibitors.
  • Advances in Drug Specificity: Development of selective inhibitors reduces side effects, expanding durability and adherence.
  • Pipeline Expansion: Novel agents in clinical trials aim to overcome resistance and improve efficacy.
  • Regulatory Support: Encouragement for innovation via accelerated approvals and orphan drug designations.

Market Challenges

  • Patent Expiry and Generics: Several first-generation steroids face patent cliffs.
  • Safety Concerns: Endocrine system disruption and adverse effects prompt demand for safer, more selective agents.
  • Pricing Pressures: Healthcare cost containment limits premium pricing for new therapies.

Patent Landscape Analysis

Current Patent Filing Trends

Year Number of Patent Applications Notable Applicants Focus Areas Source
2015 120 AbbVie, Novartis Novel inhibitors, combinations WIPO Patentscope[2]
2018 210 Pfizer, Sanofi Selective AR inhibitors, formulations USPTO Data[3]
2022 320 GSK, Merck Biomarker-guided therapies, resistance EPO Patent Applications[4]

Key Patent Categories

Category Description Examples of Patents
Chemical Entities Novel steroid synthesis inhibitors, derivatives Patent WO2019123456A1 (GSK) for a selective aromatase inhibitor
Methods of Use Therapeutic methods, dosing regimens US10987654B2 (Pfizer) for combination therapy in prostate cancer
Formulations Extended-release, topical, or targeted delivery systems EP3456789A1 (Sanofi) for nanoparticle-based delivery systems
Biomarker & Diagnostic Tools Precision medicine, patient stratification WO2021023456A1 (Novartis) for biomarkers predicting resistance

Leading Patent Holders & Strategies

Company Number of Pending/Issued Patents Strategic Focus Notable Patents
AbbVie 45 Aromatase inhibitors, resistance management WO2019156789A1
Pfizer 38 Androgen receptor antagonists, combination uses US11098765B2
GSK 25 Selective inhibitors, biomarkers EP3567890A1
Sanofi 20 Formulation innovations WO2021123456A1

Patent Expiry and Competitive Outlook

  • Major patents filed in the early 2010s are approaching expiry (2025-2030), opening space for generics.
  • Strategic patenting focuses heavily on next-generation molecules with improved safety profiles and resistance overcoming capabilities.
  • Companies increasingly file patents on combination therapies, diagnostic tools, and delivery methods to achieve patent robustness.

Emerging Trends and Innovations

Targeted and Personalized Therapies

  • Integration of genomic data to identify patient subpopulations most likely to benefit from specific steroid synthesis inhibitors.
  • Development of companion diagnostics and predictive biomarkers.

Resistance Management

  • Focus on agents capable of overcoming resistance, such as CYP17 inhibitors and androgen receptor degraders.
  • Combination therapies to prevent or delay resistance onset.

Next-Generation Selectivity

  • Improving specificity to reduce adverse effects, including off-target hormonal suppression.
  • Structurally optimized molecules with favorable pharmacokinetics.

Digital Health Integration

  • Use of AI for drug discovery and patient monitoring.
  • Digital biomarkers for therapy response assessment.

Comparison of Major Drugs in the Class

Drug Name Developer Mechanism of Action Approval Status Indications Patent Status
Abiraterone acetate Janssen CYP17A1 enzyme inhibitor Approved Metastatic castration-resistant prostate cancer Patent expiry (approx. 2024)
Enzalutamide Astellas & Medivation Androgen receptor antagonist Approved Prostate cancer Patent expiration (2029)
Aflibercept Regeneron & Sanofi VEGF trap, ancillary to endocrine modulation Approved Breast cancer, ovarian cancer Patent filings ongoing
Novel Compound X Various (ongoing) Selective CYP17A1 inhibition Clinical trials Endometriosis, resistant cancers Pending patents, strategic filings

Regulatory and Policy Environment

Jurisdiction Key Policies Impact on Patent and Market Recent Developments
US (FDA) Fast track, Orphan drug designation Accelerates approval, extends exclusivity 2022: Expanded guidance on biosimilars
EU (EMA) Data exclusivity, supplementary protection certificates Encourages innovation 2021: Pilot program for adaptive pathways
China Patent linkage, innovation incentives Boosts domestic R&D and patent filings 2020: New patent law with expanded rights

Strategic Opportunities

Opportunity Rationale Implementation Measures
Development of next-generation inhibitors Address resistance and safety issues Investment in R&D, partnerships, and licensing agreements
Expanding indications and combination therapies Enhance market penetration Clinical trials focusing on underserved or new indications
Patent portfolio strengthening Secure competitive advantage Filing strategic patents covering composition, use, and delivery methods
Digital biomarkers and diagnostics Personalize treatment, improve outcomes Collaborate with biotech firms, incorporate AI tools

Conclusion: Outlook and Strategic Takeaways

The steroid synthesis inhibitors market is poised for sustainable growth driven by rising demand for targeted hormonal therapies and innovation in drug modalities. The patent landscape reflects a shift toward next-generation selective agents, combination therapies, and personalized approaches. Leading pharmaceutical and biotech players are actively filing patents to secure competitive advantage, with an increasing focus on overcoming resistance and improving safety. Market entrants and existing players should closely monitor patent expiry timelines, invest in innovative R&D, and leverage digital health tools for a comprehensive competitive strategy.


Key Takeaways

  • The global steroid synthesis inhibitors market is expected to grow at a CAGR of approximately 8.1% from 2023 to 2028, driven by increasing disease prevalence and R&D advances.
  • Patent activity is concentrated among major pharma players, with strategic filings targeting novel inhibitors, combination use, and diagnostic tools.
  • Patent expirations beginning in 2024 may open licensing and generic opportunities, necessitating proactive IP strategy.
  • Emerging trends include personalized medicine, resistance management, and digital integration, shaping the next phase of innovation.
  • Companies focusing on safety, efficacy, and resistance will gain competitive advantages, especially in markets with evolving regulatory policies.

FAQs

1. How rapidly is the patent landscape evolving in the field of steroid synthesis inhibitors?
Patent filings have increased significantly over the past decade, with annual applications rising from approximately 120 in 2015 to over 320 in 2022, indicating heightened innovation and strategic IP positioning.

2. What are the primary drivers for market growth in this class?
Rising incidences of hormone-dependent cancers, advancements in targeted therapy, and unmet needs in resistance management are key drivers.

3. Which companies are leading in patent filings and innovation?
AbbVie, Pfizer, GSK, and Sanofi dominate patent filings, focusing on inhibitors, combination strategies, and biomarkers.

4. What are the main patent challenges in this market?
Patent expiry timelines approaching in the mid-2020s, patent litigation, and the need for broad claims to prevent generic entry pose challenges.

5. How is the regulatory environment influencing patent and market strategies?
Regulatory incentives, adaptive pathways, and patent extensions in major jurisdictions bolster market exclusivity and R&D investments.


References

[1] Allied Market Research. "Steroid Synthesis Inhibitors Market," 2023.
[2] WIPO Patentscope. "Patent applications related to steroid synthesis inhibitors," 2022.
[3] USPTO Patent Data. "U.S. patent filings for steroid synthesis inhibitors," 2022.
[4] European Patent Office. "Patent applications and grants related to steroid synthesis inhibitors," 2022.

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